Home / 15,528,636.48-21,429,603.36-9,006,132

Finding the Fourth Proportional to 15,528,636.48, 21,429,603.36 and 9,006,132

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Solution

The fourth proportional to 15,528,636.48, 21,429,603.36 and 9,006,132 is: 12,428,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,636.48 : 21,429,603.36 = 9,006,132 : x
  2. Step 2: Convert to fraction form
    15,528,636.48/21,429,603.36 = 9,006,132/x
  3. Step 3: Cross multiply
    15,528,636.48x = 21,429,603.36 × 9,006,132
  4. Step 4: Simplify right side
    15,528,636.48x = 192,997,836,567,803.50
  5. Step 5: Solve for x
    x = 192,997,836,567,803.50/15,528,636.48
  6. Step 6: Final answer
    x = 12,428,511.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.